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Comparison

ATMEGA640-16AU vs ATMEGA1280-16AUR

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Mfr. Part #	ATMEGA640-16AU	ATMEGA1280-16AUR
Manufacturer	Microchip Technology	Microchip Technology
Description	MCU 8-bit ATmega AVR RISC 64KB Flash 3.3V/5V 100-Pin TQFP	MCU AVR 128K FLASH 16MHZ 100TQFP
Datasheet
RoHS
Specifications
Factory Lead Time	8 Weeks	7 Weeks
Contact Plating	Tin	Tin
Mount	Surface Mount	Surface Mount
Mounting Type	Surface Mount	Surface Mount
Package / Case	100-TQFP	100-TQFP
Number of Pins	100	100
Data Converters	A/D 16x10b	A/D 16x10b
Memory Types	EEPROM, FLASH	FLASH
Number of I/Os	86	86
Watchdog Timers	Yes	Yes
Operating Temperature	-40°C~85°C TA	-40°C~85°C TA
Packaging	Tray	Tape & Reel (TR)
Series	AVR® ATmega	AVR® ATmega
Published	2007	2007
JESD-609 Code	e3	-
Pbfree Code	yes	-
Part Status	Active	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
Number of Terminations	100	-
Termination	SMD/SMT	-
Voltage - Supply	5V	2.7V~5.5V
Terminal Position	QUAD	-
Terminal Form	GULL WING	-
Peak Reflow Temperature (Cel)	260	-
Terminal Pitch	0.5mm	-
Frequency	16MHz	16MHz
Time@Peak Reflow Temperature-Max (s)	40	-
Base Part Number	ATMEGA640	ATMEGA1280
Power Supplies	3/5V	-
Interface	2-Wire, EBI/EMI, I2C, SPI, UART, USART	CAN, EBI/EMI, I2C, SPI, UART, USART
Memory Size	64kB	48kB
Oscillator Type	Internal	Internal
RAM Size	8K x 8	8K x 8
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC	-
Number of Bits	8	-
Core Processor	AVR	AVR
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT
Program Memory Type	FLASH	FLASH
Core Size	8-Bit	8-Bit
Program Memory Size	64KB 32K x 16	128KB 64K x 16
Connectivity	EBI/EMI, I2C, SPI, UART/USART	EBI/EMI, I2C, SPI, UART/USART
Bit Size	8	-
Access Time	16 μs	-
Has ADC	YES	-
DMA Channels	NO	-
Data Bus Width	8b	8b
PWM Channels	YES	-
Number of Timers/Counters	6	6
Density	512 kb	-
EEPROM Size	4K x 8	4K x 8
Number of ADC Channels	16	-
Voltage - Supply (Max)	5.5V	5.5V
Voltage - Supply (Min)	4.5V	2.7V
Number of I2C Channels	1	-
Height	1.05mm	-
Length	14.1mm	-
Width	14.1mm	-
REACH SVHC	No SVHC	-
Radiation Hardening	No	-
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Lead Free	Lead Free	-
Supplier Device Package	-	100-TQFP (14x14)
Operating Temperature (Max)	-	85°C
Operating Temperature (Min)	-	-40°C
Speed	-	16MHz
Core Architecture	-	AVR
Max Frequency	-	16MHz
Number of Programmable I/O	-	86
Pricing(USD)
Grads Price	Quantity Unit Price 1+ $9.1065 10+ $8.59104 100+ $8.10475 500+ $7.64599 1000+ $7.2132	-
Availability	5	541
Price	$9.1065	-
Quantity